| 1 | /* Mach-O support for BFD. |
| 2 | Copyright 1999, 2000, 2001, 2002, 2005, 2007, 2008, 2009, 2010 |
| 3 | Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of BFD, the Binary File Descriptor library. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program; if not, write to the Free Software |
| 19 | Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, |
| 20 | MA 02110-1301, USA. */ |
| 21 | |
| 22 | /* Define generic entry points here so that we don't need to duplicate the |
| 23 | defines in every target. But define once as this file may be included |
| 24 | several times. */ |
| 25 | #ifndef MACH_O_TARGET_COMMON_DEFINED |
| 26 | #define MACH_O_TARGET_COMMON_DEFINED |
| 27 | |
| 28 | #define bfd_mach_o_close_and_cleanup _bfd_generic_close_and_cleanup |
| 29 | #define bfd_mach_o_bfd_free_cached_info _bfd_generic_bfd_free_cached_info |
| 30 | #define bfd_mach_o_new_section_hook _bfd_generic_new_section_hook |
| 31 | #define bfd_mach_o_get_section_contents_in_window _bfd_generic_get_section_contents_in_window |
| 32 | #define bfd_mach_o_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) |
| 33 | #define bfd_mach_o_bfd_is_local_label_name bfd_generic_is_local_label_name |
| 34 | #define bfd_mach_o_get_lineno _bfd_nosymbols_get_lineno |
| 35 | #define bfd_mach_o_find_nearest_line _bfd_nosymbols_find_nearest_line |
| 36 | #define bfd_mach_o_find_inliner_info _bfd_nosymbols_find_inliner_info |
| 37 | #define bfd_mach_o_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol |
| 38 | #define bfd_mach_o_read_minisymbols _bfd_generic_read_minisymbols |
| 39 | #define bfd_mach_o_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol |
| 40 | #define bfd_mach_o_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents |
| 41 | #define bfd_mach_o_bfd_relax_section bfd_generic_relax_section |
| 42 | #define bfd_mach_o_bfd_link_hash_table_create _bfd_generic_link_hash_table_create |
| 43 | #define bfd_mach_o_bfd_link_hash_table_free _bfd_generic_link_hash_table_free |
| 44 | #define bfd_mach_o_bfd_link_add_symbols _bfd_generic_link_add_symbols |
| 45 | #define bfd_mach_o_bfd_link_just_syms _bfd_generic_link_just_syms |
| 46 | #define bfd_mach_o_bfd_copy_link_hash_symbol_type \ |
| 47 | _bfd_generic_copy_link_hash_symbol_type |
| 48 | #define bfd_mach_o_bfd_final_link _bfd_generic_final_link |
| 49 | #define bfd_mach_o_bfd_link_split_section _bfd_generic_link_split_section |
| 50 | #define bfd_mach_o_bfd_merge_private_bfd_data _bfd_generic_bfd_merge_private_bfd_data |
| 51 | #define bfd_mach_o_bfd_set_private_flags _bfd_generic_bfd_set_private_flags |
| 52 | #define bfd_mach_o_get_section_contents _bfd_generic_get_section_contents |
| 53 | #define bfd_mach_o_bfd_gc_sections bfd_generic_gc_sections |
| 54 | #define bfd_mach_o_bfd_merge_sections bfd_generic_merge_sections |
| 55 | #define bfd_mach_o_bfd_is_group_section bfd_generic_is_group_section |
| 56 | #define bfd_mach_o_bfd_discard_group bfd_generic_discard_group |
| 57 | #define bfd_mach_o_section_already_linked _bfd_generic_section_already_linked |
| 58 | #define bfd_mach_o_bfd_define_common_symbol bfd_generic_define_common_symbol |
| 59 | #define bfd_mach_o_bfd_copy_private_header_data _bfd_generic_bfd_copy_private_header_data |
| 60 | #define bfd_mach_o_core_file_matches_executable_p generic_core_file_matches_executable_p |
| 61 | #define bfd_mach_o_core_file_pid _bfd_nocore_core_file_pid |
| 62 | |
| 63 | #define bfd_mach_o_get_dynamic_symtab_upper_bound bfd_mach_o_get_symtab_upper_bound |
| 64 | #define bfd_mach_o_canonicalize_dynamic_symtab bfd_mach_o_canonicalize_symtab |
| 65 | |
| 66 | #define TARGET_NAME_BACKEND XCONCAT2(TARGET_NAME,_backend) |
| 67 | |
| 68 | #endif /* MACH_O_TARGET_COMMON_DEFINED */ |
| 69 | |
| 70 | #ifndef TARGET_NAME |
| 71 | #error TARGET_NAME must be defined |
| 72 | #endif /* TARGET_NAME */ |
| 73 | |
| 74 | #ifndef TARGET_STRING |
| 75 | #error TARGET_STRING must be defined |
| 76 | #endif /* TARGET_STRING */ |
| 77 | |
| 78 | #ifndef TARGET_ARCHITECTURE |
| 79 | #error TARGET_ARCHITECTURE must be defined |
| 80 | #endif /* TARGET_ARCHITECTURE */ |
| 81 | |
| 82 | #ifndef TARGET_BIG_ENDIAN |
| 83 | #error TARGET_BIG_ENDIAN must be defined |
| 84 | #endif /* TARGET_BIG_ENDIAN */ |
| 85 | |
| 86 | #ifndef TARGET_ARCHIVE |
| 87 | #error TARGET_ARCHIVE must be defined |
| 88 | #endif /* TARGET_ARCHIVE */ |
| 89 | |
| 90 | #if ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN)) |
| 91 | #error Mach-O fat files must always be big-endian. |
| 92 | #endif /* ((TARGET_ARCHIVE) && (! TARGET_BIG_ENDIAN)) */ |
| 93 | |
| 94 | static const bfd_mach_o_backend_data TARGET_NAME_BACKEND = |
| 95 | { |
| 96 | TARGET_ARCHITECTURE, |
| 97 | bfd_mach_o_swap_reloc_in, |
| 98 | bfd_mach_o_swap_reloc_out, |
| 99 | bfd_mach_o_print_thread |
| 100 | }; |
| 101 | |
| 102 | const bfd_target TARGET_NAME = |
| 103 | { |
| 104 | TARGET_STRING, /* Name. */ |
| 105 | bfd_target_mach_o_flavour, |
| 106 | #if TARGET_BIG_ENDIAN |
| 107 | BFD_ENDIAN_BIG, /* Target byte order. */ |
| 108 | BFD_ENDIAN_BIG, /* Target headers byte order. */ |
| 109 | #else |
| 110 | BFD_ENDIAN_LITTLE, /* Target byte order. */ |
| 111 | BFD_ENDIAN_LITTLE, /* Target headers byte order. */ |
| 112 | #endif |
| 113 | (HAS_RELOC | EXEC_P | /* Object flags. */ |
| 114 | HAS_LINENO | HAS_DEBUG | |
| 115 | HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), |
| 116 | (SEC_CODE | SEC_DATA | SEC_ROM | SEC_HAS_CONTENTS |
| 117 | | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ |
| 118 | '_', /* symbol_leading_char. */ |
| 119 | ' ', /* ar_pad_char. */ |
| 120 | 16, /* ar_max_namelen. */ |
| 121 | |
| 122 | #if TARGET_BIG_ENDIAN |
| 123 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 124 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 125 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ |
| 126 | bfd_getb64, bfd_getb_signed_64, bfd_putb64, |
| 127 | bfd_getb32, bfd_getb_signed_32, bfd_putb32, |
| 128 | bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Hdrs. */ |
| 129 | #else |
| 130 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
| 131 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, |
| 132 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */ |
| 133 | bfd_getl64, bfd_getl_signed_64, bfd_putl64, |
| 134 | bfd_getl32, bfd_getl_signed_32, bfd_putl32, |
| 135 | bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */ |
| 136 | #endif /* TARGET_BIG_ENDIAN */ |
| 137 | |
| 138 | { /* bfd_check_format. */ |
| 139 | #if TARGET_ARCHIVE |
| 140 | _bfd_dummy_target, |
| 141 | _bfd_dummy_target, |
| 142 | bfd_mach_o_archive_p, |
| 143 | _bfd_dummy_target, |
| 144 | #else |
| 145 | _bfd_dummy_target, |
| 146 | bfd_mach_o_object_p, |
| 147 | bfd_generic_archive_p, |
| 148 | bfd_mach_o_core_p |
| 149 | #endif |
| 150 | }, |
| 151 | { /* bfd_set_format. */ |
| 152 | bfd_false, |
| 153 | bfd_mach_o_mkobject, |
| 154 | _bfd_generic_mkarchive, |
| 155 | bfd_mach_o_mkobject, |
| 156 | }, |
| 157 | { /* bfd_write_contents. */ |
| 158 | bfd_false, |
| 159 | bfd_mach_o_write_contents, |
| 160 | _bfd_write_archive_contents, |
| 161 | bfd_mach_o_write_contents, |
| 162 | }, |
| 163 | |
| 164 | BFD_JUMP_TABLE_GENERIC (bfd_mach_o), |
| 165 | BFD_JUMP_TABLE_COPY (bfd_mach_o), |
| 166 | BFD_JUMP_TABLE_CORE (bfd_mach_o), |
| 167 | #if TARGET_ARCHIVE |
| 168 | BFD_JUMP_TABLE_ARCHIVE (bfd_mach_o), |
| 169 | #else |
| 170 | BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_bsd44), |
| 171 | #endif |
| 172 | BFD_JUMP_TABLE_SYMBOLS (bfd_mach_o), |
| 173 | BFD_JUMP_TABLE_RELOCS (bfd_mach_o), |
| 174 | BFD_JUMP_TABLE_WRITE (bfd_mach_o), |
| 175 | BFD_JUMP_TABLE_LINK (bfd_mach_o), |
| 176 | BFD_JUMP_TABLE_DYNAMIC (bfd_mach_o), |
| 177 | |
| 178 | /* Alternative endian target. */ |
| 179 | NULL, |
| 180 | |
| 181 | /* Back-end data. */ |
| 182 | &TARGET_NAME_BACKEND |
| 183 | }; |
| 184 | |